Home / 117,244.10-161,799.88-71,947.10

Finding the Fourth Proportional to 117,244.10, 161,799.88 and 71,947.10

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Solution

The fourth proportional to 117,244.10, 161,799.88 and 71,947.10 is: 99,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,244.10 : 161,799.88 = 71,947.10 : x
  2. Step 2: Convert to fraction form
    117,244.10/161,799.88 = 71,947.10/x
  3. Step 3: Cross multiply
    117,244.10x = 161,799.88 × 71,947.10
  4. Step 4: Simplify right side
    117,244.10x = 11,641,032,146.35
  5. Step 5: Solve for x
    x = 11,641,032,146.35/117,244.10
  6. Step 6: Final answer
    x = 99,288.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.